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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.61 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
58		115
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	118	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
69		127
70	our %CFG;	128	our %CFG;
71		129
72	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
74		133
75	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		137
81	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
84	binmode STDOUT;	151	binmode STDOUT;
85	binmode STDERR;	152	binmode STDERR;
86		153
87	# read virtual server time, if available	154	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
92	}	159	}
93		160
94	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	162
96	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		165
101	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
102		167
103	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		180
105	#############################################################################	181	#############################################################################
106		182
107	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
108		184
…		…
115	=item $cf::RUNTIME	191	=item $cf::RUNTIME
116		192
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	194	every server tick.
119		195
120	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		199
122	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
124		204
125	=item $cf::NOW	205	=item $cf::NOW
126		206
127	The time of the last (current) server tick.	207	The time of the last (current) server tick.
128		208
129	=item $cf::TICK	209	=item $cf::TICK
130		210
131	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
132		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
133	=item %cf::CFG	223	=item %cf::CFG
134		224
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	226	from wherever your confdir points to.
137		227
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		229
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
144	=back	246	=back
145		247
146	=cut	248	=cut
147		249
148	BEGIN {	250	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	251	my $msg = join "", @_;
151	utf8::encode $msg;
152		252
153	$msg .= "\n"	253	$msg .= "\n"
154	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
155		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
156	LOG llevError, $msg;	258	LOG llevError, $msg;
157	};	259	};
158	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
159		274
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		282
167	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	284	# within the Safe compartment.
169	for my $pkg (qw(	285	for my $pkg (qw(
170	cf::global cf::attachable	286	cf::global cf::attachable
171	cf::object cf::object::player	287	cf::object cf::object::player
172	cf::client cf::player	288	cf::client cf::player
173	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
174	cf::map cf::party cf::region	291	cf::party cf::region
175	)) {	292	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	294	}
179		295
180	$Event::DIED = sub {	296	$EV::DIED = sub {
181	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
182	};	298	};
		299
		300	#############################################################################
183		301
184	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
185		303
186	=over 4	304	=over 4
187		305
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	325	$d
208	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
209	}	327	}
210		328
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
214		330
215	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
216		332
217	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
218		334
219	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
220		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
221	=item cf::lock_wait $string	358	=item cf::lock_wait $string
222		359
223	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
224		361
225	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
226		363
227	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
230	returned.	367	returned.
231		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
232	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
234		374
235	=cut	375	=item $locked = cf::lock_active $string
236		376
237	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
238		382
239	sub lock_wait($) {	383	sub lock_wait($) {
240	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	385	}
248		386
249	sub lock_acquire($) {	387	sub lock_acquire($) {
250	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
251		390
252	# wait, to be sure we are not locked	391	sub lock_active($) {
253	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	393	}
262		394
263	sub freeze_mainloop {	395	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
265		397
266	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
268	};	465	}
269	$TICK_WATCHER->stop;	466	};
270	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
271	}	481	}
272		482
273	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
274		484
275	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		490
281	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
282		492
283	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
284		494
285	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
288		499
289	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
292	fast or be very important.	503	fast or be very important.
…		…
295		506
296	sub sync_job(&) {	507	sub sync_job(&) {
297	my ($job) = @_;	508	my ($job) = @_;
298		509
299	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
300	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
302		515
303	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	517
305	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
306		519
307	my $busy = 1;	520	my $busy = 1;
308	my @res;	521	my @res;
309		522
310	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	525	@res = eval { $job->() };
312	warn $@ if $@;	526	warn $@ if $@;
313	undef $busy;	527	undef $busy;
314	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
315		529
316	while ($busy) {	530	while ($busy) {
317	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
318	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
319		541
320	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
321	} else {	543	} else {
322	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
323		545
…		…
343	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
344		566
345	$coro	567	$coro
346	}	568	}
347		569
348	sub write_runtime {	570	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		571
351	my $runtime = cf::localdir . "/runtime";	572	Executes the given code block with the given arguments in a seperate
		573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
352		576
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
354	or return;
355		578
356	my $value = $cf::RUNTIME + 90 + 10;	579	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	580	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		581
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	# we seemingly have to make a local copy of the whole thing,
361	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
362		585
363	# always fsync - this file is important	586	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	587	reset_signals;
365	and return;	588	&$cb
		589	}, @args;
366		590
367	close $fh	591	wantarray ? @res : $res[-1]
368	or return;	592	}
369		593
370	aio_rename "$runtime~", $runtime	594	=item $coin = coin_from_name $name
371	and return;
372		595
		596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
		620
		621	=item $value = cf::db_get $family => $key
		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
373	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
374	}	746	}
375		747
376	=item cf::datalog type => key => value, ...	748	=item cf::datalog type => key => value, ...
377		749
378	Log a datalog packet of the given type with the given key-value pairs.	750	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		762
391	#############################################################################	763	#############################################################################
392		764
393	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
394		766
395	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
398		770
399	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	773	Deliantra).
402		774
403	=over 4	775	=over 4
404		776
405	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
406		778
…		…
450	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
451		823
452	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
454		826
455	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
457		829
458	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
459		831
460	=over 4	832	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	941	$registry = $CB_TYPE[$object_type] ||= [];
570		942
571	} elsif ($type eq "subtype") {	943	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	944	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	945	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	946	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		947
576	} elsif ($type eq "package") {	948	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	949	my $pkg = shift @arg;
578		950
579	while (my ($name, $id) = each %cb_id) {	951	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
609	}	981	}
610		982
611	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
612	} else {	984	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	986	}
615		987
616	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
617	}	989	}
618		990
…		…
620	if (ref $_[0]) {	992	if (ref $_[0]) {
621	_object_attach @_;	993	_object_attach @_;
622	} else {	994	} else {
623	_attach shift->_attach_registry, @_;	995	_attach shift->_attach_registry, @_;
624	}	996	}
		997	_recalc_want;
625	};	998	};
626		999
627	# all those should be optimised	1000	# all those should be optimised
628	sub cf::attachable::detach {	1001	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1005	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1006	reattach ($obj);
634	} else {	1007	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1008	Carp::croak "cannot, currently, detach class attachments";
636	}	1009	}
		1010	_recalc_want;
637	};	1011	};
638		1012
639	sub cf::attachable::attached {	1013	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1014	my ($obj, $name) = @_;
641		1015
…		…
656	";	1030	";
657	die if $@;	1031	die if $@;
658	}	1032	}
659		1033
660	our $override;	1034	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1036
663	sub override {	1037	sub override {
664	$override = 1;	1038	$override = 1;
665	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
666	}	1040	}
667		1041
668	sub do_invoke {	1042	sub do_invoke {
669	my $event = shift;	1043	my $event = shift;
670	my $callbacks = shift;	1044	my $callbacks = shift;
671		1045
672	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
673		1047
674	local $override;	1048	local $override;
675		1049
676	for (@$callbacks) {	1050	for (@$callbacks) {
677	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
686	}	1060	}
687		1061
688	0	1062	0
689	}	1063	}
690		1064
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1066
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1068
695	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
696		1070
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1074
701	=back	1075	=back
702		1076
703	=cut	1077	=cut
704		1078
705	#############################################################################	1079	#############################################################################
706	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
707		1123
708	sub reattach {	1124	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1126	my ($obj) = @_;
711		1127
		1128	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1130
714	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
715		1132
716	@$registry = ();	1133	@$registry = ();
717		1134
…		…
732	cf::attachable->attach (	1149	cf::attachable->attach (
733	prio => -1000000,	1150	prio => -1000000,
734	on_instantiate => sub {	1151	on_instantiate => sub {
735	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
736		1153
737	$data = from_json $data;	1154	$data = decode_json $data;
738		1155
739	for (@$data) {	1156	for (@$data) {
740	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
741		1158
742	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1175	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
760		1177
761	sync_job {	1178	sync_job {
762	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
765		1183
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1189	aio_fsync $fh;
		1190	}
770	close $fh;	1191	aio_close $fh;
771		1192
772	if (@$objs) {	1193	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1200	aio_fsync $fh;
		1201	}
778	close $fh;	1202	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
780	}	1204	}
781	} else {	1205	} else {
782	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
783	}	1207	}
784		1208
785	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1213	} else {
787	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
788	}	1215	}
789	} else {	1216	} else {
790	aio_unlink $filename;	1217	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
792	}	1219	}
793	}	1220	};
794	}	1221	}
795		1222
796	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
798		1225
…		…
810	or return;	1237	or return;
811		1238
812	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
814	or return;	1241	or return;
		1242
815	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
816	}	1245	}
817		1246
		1247	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1249	$decname, length $data, scalar @{$av || []};
		1250
820	return ($data, $av);	1251	($data, $av)
821	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
822		1259
823	#############################################################################	1260	#############################################################################
824	# command handling &c	1261	# command handling &c
825		1262
826	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1277	}
841		1278
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1280
844	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
845		1286
846	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
847	called.	1288	called.
848		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
849	=cut	1301	=cut
850		1302
851	sub register_extcmd {	1303	sub register_extcmd {
852	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
853		1305
854	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
855	}	1307	}
856		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
857	cf::player->attach (	1317	cf::player->attach (
858	on_command => sub {	1318	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
860		1320
861	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
862	or return;	1322	or return;
863		1323
…		…
868	cf::override;	1328	cf::override;
869	},	1329	},
870	on_extcmd => sub {	1330	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
872		1332
873	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1334
875	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
881	} else {	1350	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1352	}
884		1353
885	cf::override;	1354	cf::override;
886	},	1355	},
887	);	1356	);
888		1357
		1358	# "readahead" all extensions
889	sub load_extension {	1359	sub cache_extensions {
890	my ($path) = @_;	1360	my $grp = IO::AIO::aio_group;
891		1361
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1363	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1365	}
917	die $@;
918	}	1366	};
919		1367
920	push @EXTS, $pkg;	1368	$grp
921	}	1369	}
922		1370
923	sub load_extensions {	1371	sub load_extensions {
		1372	cf::sync_job {
		1373	my %todo;
		1374
924	for my $ext (<$LIBDIR/*.ext>) {	1375	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1376	next unless -r $path;
926	eval {	1377
927	load_extension $ext;	1378	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1379	my $base = $1;
		1380	my $pkg = $1;
		1381	$pkg =~ s/[^[:word:]]/_/g;
		1382	$pkg = "ext::$pkg";
		1383
		1384	open my $fh, "<:utf8", $path
		1385	or die "$path: $!";
		1386
		1387	my $source = do { local $/; <$fh> };
		1388
		1389	my %ext = (
		1390	path => $path,
		1391	base => $base,
		1392	pkg => $pkg,
		1393	);
		1394
		1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1397
		1398	$ext{source} =
		1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1400	. "#line 1 \"$path\"\n{\n"
		1401	. $source
		1402	. "\n};\n1";
		1403
		1404	$todo{$base} = \%ext;
		1405	}
		1406
		1407	my $pass = 0;
		1408	my %done;
		1409	while (%todo) {
		1410	my $progress;
		1411
		1412	++$pass;
		1413
		1414	ext:
		1415	while (my ($k, $v) = each %todo) {
		1416	for (split /,\s*/, $v->{meta}{depends}) {
		1417	next ext
		1418	unless exists $done{$_};
		1419	}
		1420
		1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1422
		1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
		1426	warn "$v->{path}: $@\n";
		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1429	if exists $v->{meta}{mandatory};
		1430	} else {
		1431	$done{$k} = delete $todo{$k};
		1432	push @EXTS, $v->{pkg};
		1433	$progress = 1;
		1434
		1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
		1437	}
928	1	1438	}
929	} or warn "$ext not loaded: $@";	1439
		1440	unless ($progress) {
		1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
		1448	}
930	}	1449	};
931	}	1450	}
932		1451
933	#############################################################################	1452	#############################################################################
934		1453
		1454	=back
		1455
935	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
936		1457
937	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
938		1459
939	=cut	1460	=cut
940		1461
941	package cf::player;	1462	package cf::player;
942		1463
…		…
944		1465
945	=head3 cf::player	1466	=head3 cf::player
946		1467
947	=over 4	1468	=over 4
948		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
		1483
949	=item cf::player::find $login	1484	=item cf::player::find $login
950		1485
951	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
952		1487
953	=cut	1488	=cut
954		1489
955	sub playerdir($) {	1490	sub playerdir($) {
956	cf::localdir	1491	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1492	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1493	}
962		1494
963	sub path($) {	1495	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1496	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1506
975	sub exists($) {	1507	sub exists($) {
976	my ($login) = @_;	1508	my ($login) = @_;
977		1509
978	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
980	}	1512	}
981		1513
982	sub find($) {	1514	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1516	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
995		1527
996	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
997	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
999	}	1537	}
1000	}	1538	}
1001	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1002		1553
1003	sub save($) {	1554	sub save($) {
1004	my ($pl) = @_;	1555	my ($pl) = @_;
1005		1556
1006	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1012		1563
1013	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1015		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1016	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1017	Coro::cede;	1573	cf::cede_to_tick;
1018	}	1574	}
1019		1575
1020	sub new($) {	1576	sub new($) {
1021	my ($login) = @_;	1577	my ($login) = @_;
1022		1578
…		…
1028	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1029		1585
1030	$self	1586	$self
1031	}	1587	}
1032		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1033	=item $pl->quit_character	1599	=item $pl->quit_character
1034		1600
1035	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1037		1603
…		…
1041	my ($pl) = @_;	1607	my ($pl) = @_;
1042		1608
1043	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1044		1610
1045	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1613
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1052		1620
1053	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1652	while and may block, so not sync_job-capable, ever.
1085		1653
1086	=cut	1654	=cut
1087		1655
1088	sub list_logins {	1656	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1657	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1658	or return [];
1091		1659
1092	my @logins;	1660	my @logins;
1093		1661
1094	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1098		1672
1099	utf8::decode $login;	1673	utf8::decode $login;
1100	push @logins, $login;	1674	push @logins, $login;
1101	}	1675	}
1102		1676
…		…
1129	}	1703	}
1130		1704
1131	\@paths	1705	\@paths
1132	}	1706	}
1133		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1134	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1135		1713
1136	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1137		1715
1138	=cut	1716	=cut
1139		1717
1140	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1142		1720
1143	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1722	}
1147		1723
1148	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1149		1725
1150	Sends an ext event to the client.	1726	Sends an ext event to the client.
1151		1727
1152	=cut	1728	=cut
1153		1729
1154	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1156		1732
1157	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1158	}	1734	}
1159		1735
1160	=head3 cf::region	1736	=head3 cf::region
1161		1737
1162	=over 4	1738	=over 4
…		…
1165		1741
1166	package cf::region;	1742	package cf::region;
1167		1743
1168	=item cf::region::find_by_path $path	1744	=item cf::region::find_by_path $path
1169		1745
1170	Tries to decuce the probable region for a map knowing only its path.	1746	Tries to decuce the likely region for a map knowing only its path.
1171		1747
1172	=cut	1748	=cut
1173		1749
1174	sub find_by_path($) {	1750	sub find_by_path($) {
1175	my ($path) = @_;	1751	my ($path) = @_;
1176		1752
1177	my ($match, $specificity);	1753	my ($match, $specificity);
1178		1754
1179	for my $region (list) {	1755	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1183	}	1759	}
1184	}	1760	}
1185		1761
…		…
1206	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1208		1784
1209	sub generate_random_map {	1785	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1211	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1791	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1249	my ($self, $merge) = @_;	1828	my ($self, $merge) = @_;
1250		1829
1251	# we have to keep some variables in memory intact	1830	# we have to keep some variables in memory intact
1252	local $self->{path};	1831	local $self->{path};
1253	local $self->{load_path};	1832	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1833
1257	$self->SUPER::thawer_merge ($merge);	1834	$self->SUPER::thawer_merge ($merge);
1258	}	1835	}
1259		1836
1260	sub normalise {	1837	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1308	return $self;	1885	return $self;
1309	}	1886	}
1310	}	1887	}
1311		1888
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1890	()
1314	}	1891	}
1315		1892
1316	sub init {	1893	sub init {
1317	my ($self) = @_;	1894	my ($self) = @_;
…		…
1332		1909
1333	# the original (read-only) location	1910	# the original (read-only) location
1334	sub load_path {	1911	sub load_path {
1335	my ($self) = @_;	1912	my ($self) = @_;
1336		1913
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1914	"$MAPDIR/$self->{path}.map"
1338	}	1915	}
1339		1916
1340	# the temporary/swap location	1917	# the temporary/swap location
1341	sub save_path {	1918	sub save_path {
1342	my ($self) = @_;	1919	my ($self) = @_;
1343		1920
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1922	"$TMPDIR/$path.map"
1346	}	1923	}
1347		1924
1348	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1349	sub uniq_path {	1926	sub uniq_path {
1350	my ($self) = @_;	1927	my ($self) = @_;
1351		1928
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1930	"$UNIQUEDIR/$path"
1354	}	1931	}
1355		1932
1356	# and all this just because we cannot iterate over	1933	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1934	my ($self) = @_;
1360		1935
1361	$_->change_map_light ($change)	1936	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1937
		1938	$self->do_decay_objects;
1363	}	1939	}
1364		1940
1365	sub unlink_save {	1941	sub unlink_save {
1366	my ($self) = @_;	1942	my ($self) = @_;
1367		1943
…		…
1372		1948
1373	sub load_header_from($) {	1949	sub load_header_from($) {
1374	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1375		1951
1376	utf8::encode $path;	1952	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1382		1961
1383	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1384		1963
1385	1	1964	1
1386	}	1965	}
…		…
1425	$self->load_header_orig	2004	$self->load_header_orig
1426	or return;	2005	or return;
1427	$self->prepare_orig;	2006	$self->prepare_orig;
1428	}	2007	}
1429		2008
		2009	$self->{deny_reset} = 1
		2010	if $self->no_reset;
		2011
1430	$self->default_region (cf::region::find_by_path $self->{path})	2012	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2013	unless $self->default_region;
1432		2014
1433	1	2015	1
1434	}	2016	}
…		…
1437	sub find {	2019	sub find {
1438	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1439		2021
1440	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1441		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2026
1444	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1447	or return;	2029	or return;
1448		2030
1449	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1450		2032
1451	$map->load_header	2033	$map->load_header
1452	or return;	2034	or return;
1453		2035
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1457	$map->reset;	2041	$map->reset;
1458	undef $guard;
1459	return find $path;	2042	return find $path;
1460	}	2043	}
1461		2044
1462	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1463	}	2046	}
1464	}	2047	}
1465		2048
1466	sub pre_load { }	2049	sub pre_load { }
1467	sub post_load { }	2050	#sub post_load { } # XS
1468		2051
1469	sub load {	2052	sub load {
1470	my ($self) = @_;	2053	my ($self) = @_;
1471		2054
1472	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1473		2056
1474	my $path = $self->{path};	2057	my $path = $self->{path};
		2058
		2059	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1476		2061
		2062	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2064
1479	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1480		2066
1481	$self->alloc;	2067	$self->alloc;
1482		2068
1483	$self->pre_load;	2069	$self->pre_load;
1484	Coro::cede;	2070	cf::cede_to_tick;
1485		2071
1486	$self->_load_objects ($self->{load_path}, 1)	2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
		2074	$self->_load_objects ($f)
1487	or return;	2075	or return;
1488		2076
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1490	if delete $self->{load_original};	2078	if delete $self->{load_original};
1491		2079
1492	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2081	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2084	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1497	}	2088	}
1498	}	2089	}
1499		2090
1500	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1501	# now do the right thing for maps	2094	# now do the right thing for maps
1502	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2097	unless $self->difficulty;
1513	Coro::cede;	2098	cf::cede_to_tick;
		2099
		2100	unless ($self->{deny_activate}) {
		2101	$self->decay_objects;
		2102	$self->fix_auto_apply;
		2103	$self->update_buttons;
		2104	cf::cede_to_tick;
1514	$self->activate;	2105	$self->activate;
1515	Coro::cede;	2106	}
		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
		2111	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2112	}
1517		2113
1518	$self->post_load;	2114	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2115	}
1523		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2120	sub customise_for {
1525	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1526		2122
1527	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2124	if $self->per_player;
1529		2125
		2126	# return find "?party/" . $ob->name . "/" . $self->{path}
		2127	# if $self->per_party;
		2128
1530	$self	2129	$self
1531	}	2130	}
1532		2131
1533	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2133	sub load_neighbours {
1535	my ($map) = @_;	2134	my ($map) = @_;
1536		2135
1537	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1538		2137
1539	for (0 .. 3) {	2138	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1541	or next;	2140	or next;
1542	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1543	or next;	2142	or next;
1544	$neigh->load;	2143	$neigh->load;
1545		2144
		2145	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2148	}
1549		2149
1550	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1552	or next;	2153	or next;
1553	$neigh->load;	2154	$neigh->load;
1554	}	2155	}
1555	}	2156	}
1556		2157
…		…
1561	}	2162	}
1562		2163
1563	sub do_load_sync {	2164	sub do_load_sync {
1564	my ($map) = @_;	2165	my ($map) = @_;
1565		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1566	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1567	}	2171	}
1568		2172
1569	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1571		2175
1572	sub find_async {	2176	sub find_async {
1573	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1574		2178
1575	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1576		2180
1577	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2183	}
1580		2184
1581	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1582	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1583	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2192	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2193	$map->load if $v;
		2194	}
1588		2195
1589	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1590	}	2197	}
1591	}	2198	}
1592	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1593	};	2200	};
1594	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2204	}
1598		2205
1599	sub save {	2206	sub save {
1600	my ($self) = @_;	2207	my ($self) = @_;
1601		2208
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2210
1604	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1605		2212
1606	return unless $self->dirty;	2213	return unless $self->dirty;
1607		2214
…		…
1613	return if $self->{deny_save};	2220	return if $self->{deny_save};
1614		2221
1615	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1616		2223
1617	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1619	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1620		2230
1621	if ($uniq) {	2231	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2234	} else {
…		…
1630	my ($self) = @_;	2240	my ($self) = @_;
1631		2241
1632	# save first because save cedes	2242	# save first because save cedes
1633	$self->save;	2243	$self->save;
1634		2244
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2246
1637	return if $self->players;	2247	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2249	return if $self->{deny_save};
1640		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2255	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2256	}
1644		2257
1645	sub reset_at {	2258	sub reset_at {
1646	my ($self) = @_;	2259	my ($self) = @_;
1647		2260
1648	# TODO: safety, remove and allow resettable per-player maps	2261	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2262	return 1e99 if $self->{deny_reset};
1651		2263
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2264	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2265	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2266
…		…
1665	my ($self) = @_;	2277	my ($self) = @_;
1666		2278
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2280
1669	return if $self->players;	2281	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2282
1672	warn "resetting map ", $self->path;#d#	2283	warn "resetting map ", $self->path, "\n";
1673		2284
1674	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1675		2286
1676	# need to save uniques path	2287	# need to save uniques path
1677	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2292	if $uniq;
1682	}	2293	}
1683		2294
1684	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1685		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2299	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2300
1690	$self->unlink_save;	2301	$self->unlink_save;
1691	$self->destroy;	2302	$self->destroy;
1692	}	2303	}
1693		2304
1694	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1695		2306
1696	sub nuke {	2307	sub nuke {
1697	my ($self) = @_;	2308	my ($self) = @_;
1698		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1699	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1700		2314
1701	$self->unlink_save;	2315	$self->unlink_save;
1702		2316
1703	bless $self, "cf::map";	2317	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2322
1709	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1710		2325
1711	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
		2327	}
		2328
		2329	=item $maps = cf::map::tmp_maps
		2330
		2331	Returns an arrayref with all map paths of currently instantiated and saved
		2332	maps. May block.
		2333
		2334	=cut
		2335
		2336	sub tmp_maps() {
		2337	[
		2338	map {
		2339	utf8::decode $_;
		2340	/\.map$/
		2341	? normalise $_
		2342	: ()
		2343	} @{ aio_readdir $TMPDIR or [] }
		2344	]
		2345	}
		2346
		2347	=item $maps = cf::map::random_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	random maps. May block.
		2351
		2352	=cut
		2353
		2354	sub random_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise "?random/$_"
		2360	: ()
		2361	} @{ aio_readdir $RANDOMDIR or [] }
		2362	]
1712	}	2363	}
1713		2364
1714	=item cf::map::unique_maps	2365	=item cf::map::unique_maps
1715		2366
1716	Returns an arrayref of paths of all shared maps that have	2367	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2368	instantiated unique items. May block.
1718		2369
1719	=cut	2370	=cut
1720		2371
1721	sub unique_maps() {	2372	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2373	[
1723	or return;	2374	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2375	utf8::decode $_;
1729	next if /\.pst$/;	2376	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2378	? ()
1732	push @paths, cf::map::normalise $_;	2379	: normalise $_
		2380	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2381	]
1734
1735	\@paths
1736	}	2382	}
1737		2383
1738	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1739		2415
1740	=back	2416	=back
1741		2417
1742	=head3 cf::object	2418	=head3 cf::object
1743		2419
…		…
1747		2423
1748	=over 4	2424	=over 4
1749		2425
1750	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1751		2427
1752	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1753		2430
1754	=cut	2431	=cut
1755		2432
1756	sub inv_recursive_;	2433	sub inv_recursive_;
1757	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1760		2437
1761	sub inv_recursive {	2438	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1763	}	2440	}
1764		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1765	package cf;	2470	package cf;
1766		2471
1767	=back	2472	=back
1768		2473
1769	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1778		2483
1779	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1780		2499
1781	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2501	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1786		2505
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2507
1789	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1791	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1794	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1795	}	2533	}
1796		2534
1797	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1798		2536
1799	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1812		2550
1813	=item $player_object->enter_link	2551	=item $player_object->enter_link
1814		2552
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2554
1817	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1819		2559
1820	Will never block.	2560	Will never block.
1821		2561
1822	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1823		2563
…		…
1846	$self->deactivate_recursive;	2586	$self->deactivate_recursive;
1847		2587
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2588	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2589
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2590	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2591	if $self->map && $self->map->{path} ne "{link}";
1852		2592
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2593	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2594	}
1855		2595
1856	sub cf::object::player::leave_link {	2596	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2597	my ($self, $map, $x, $y) = @_;
		2598
		2599	return unless $self->contr->active;
1858		2600
1859	my $link_pos = delete $self->{_link_pos};	2601	my $link_pos = delete $self->{_link_pos};
1860		2602
1861	unless ($map) {	2603	unless ($map) {
1862	# restore original map position	2604	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
1875		2617
1876	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
1879		2621
1880	$map->load;	2622	$map->load;
1881	$map->load_diag;	2623	$map->load_neighbours;
1882		2624
1883	return unless $self->contr->active;	2625	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2626
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
1888	}
1889		2629
1890	cf::player->attach (	2630	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2631	$self->activate_recursive;
1892	my ($pl) = @_;	2632	}
1893		2633
1894	# abort map switching before logout	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2635
1904	# try to abort aborted map switching on player login :)	2636	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2637	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2638	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2639	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2640	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2641
1922	=item $player_object->goto ($path, $x, $y)	2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
1923		2644
1924	=cut	2645	=cut
		2646
		2647	our $GOTOGEN;
1925		2648
1926	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
		2651
		2652	# do generation counting so two concurrent goto's will be executed in-order
		2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2654
1929	$self->enter_link;	2655	$self->enter_link;
1930		2656
1931	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
1932	my $map = eval {	2679	my $map = eval {
1933	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
		2681
		2682	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2683	$map = $map->customise_for ($self);
		2684	$map = $check->($map) if $check && $map;
		2685	} else {
		2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2687	}
		2688
1935	$map	2689	$map
		2690	};
		2691
		2692	if ($@) {
		2693	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2694	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2695	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2696
		2697	if ($gen == $self->{_goto_generation}) {
		2698	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
		2700	}
		2701
		2702	$done->() if $done;
1940	})->prio (1);	2703	})->prio (1);
1941	}	2704	}
1942		2705
1943	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
1944		2707
…		…
1964	}	2727	}
1965		2728
1966	sub prepare_random_map {	2729	sub prepare_random_map {
1967	my ($exit) = @_;	2730	my ($exit) = @_;
1968		2731
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2734	# that depends on the exit object
1974		2735
1975	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2738	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
1982	}	2745	}
1983		2746
1984	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
1985		2748
1986	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
1989		2752
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2755	undef $fh;
1993	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
1994		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
1997	}	2764	}
1998	}	2765	}
1999		2766
2000	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2002		2769
2003	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2004		2771
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2772	$self->enter_link;
2017		2773
2018	(async {	2774	(async {
2019	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2020	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2021	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2022		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2023	1;	2798	1
2024	}) {	2799	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2804
2030	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2049		2824
2050	utf8::encode $text;	2825	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2827	}
2053		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2054	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2055		3017
2056	Sends an exti event to the client.	3018	Sends an ext event to the client.
2057		3019
2058	=cut	3020	=cut
2059		3021
2060	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2062		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2065	}	3049	}
2066		3050
2067	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2068		3052
2069	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3056
2073	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3058	become reliable at some point in the future.
2075		3059
2076	=cut	3060	=cut
2077		3061
2078	sub cf::client::query {	3062	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3071	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3073
2090	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2092	}	3078	}
2093		3079
2094	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2095	on_reply => sub {	3086	on_reply => sub {
2096	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2097		3088
2098	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2099	# get handled first	3090	# get handled first
…		…
2111	} else {	3102	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3104	}
2114	}	3105	}
2115	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2116	);	3133	);
2117		3134
2118	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2119		3136
2120	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3153
2137	$coro	3154	$coro
2138	}	3155	}
2139		3156
2140	cf::client->attach (	3157	cf::client->attach (
2141	on_destroy => sub {	3158	on_client_destroy => sub {
2142	my ($ns) = @_;	3159	my ($ns) = @_;
2143		3160
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3162	},
2146	);	3163	);
…		…
2161	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2163		3180
2164	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2165		3182
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2167		3188
2168	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2169		3190
2170	=pod	3191	=pod
2171		3192
2172	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2173		3194
2174	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2175	cf::object::player player	3200	cf::object::player
2176	cf::player peaceful	3201	player
2177	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2178		3208
2179	=cut	3209	=cut
2180		3210
2181	for (	3211	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2186	) {	3218	) {
2187	no strict 'refs';	3219	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3239
2208	my $qcode = $code;	3240	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2211		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2212	local $_;	3247	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3248
2215	my $eval =	3249	my $eval =
2216	"do {\n"	3250	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3253	. $code
2220	. "\n}"	3254	. "\n}"
2221	;	3255	;
2222		3256
		3257	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2226		3266
2227	if ($@) {	3267	if ($@) {
2228	warn "$@";	3268	warn "$@";
2229	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2230	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2249	=cut	3289	=cut
2250		3290
2251	sub register_script_function {	3291	sub register_script_function {
2252	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2253		3293
2254	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2256	}	3296	}
2257		3297
2258	=back	3298	=back
2259		3299
2260	=cut	3300	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3301
2334	#############################################################################	3302	#############################################################################
2335	# the server's init and main functions	3303	# the server's init and main functions
2336		3304
2337	sub load_facedata {	3305	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3313
2340	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2341		3315
2342	my $facedata;	3316	my $facedata;
2343	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2347		3321
2348	$facedata->{version} == 2	3322	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2351	{	3334	{
2352	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2353		3336
2354	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3344
		3345	cf::cede_to_tick;
2360	}	3346	}
2361		3347
2362	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2364	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2365	or next;	3352	or next;
		3353
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3357	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3359	}
2371	Coro::cede;	3360
		3361	cf::cede_to_tick;
2372	}	3362	}
2373	}	3363	}
2374		3364
2375	{	3365	{
2376	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2377		3367
2378	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3370	cf::cede_to_tick;
2381	}	3371	}
2382		3372
2383	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2384	}	3374	}
2385		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2386	1	3395	1
2387	}	3396	}
2388		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
		3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
		3441	load_resource_file "$MAPDIR/regions"
		3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
		3448	}
		3449
		3450	sub reload_facedata {
		3451	load_facedata "$DATADIR/facedata"
		3452	or die "unable to load facedata\n";
		3453	}
		3454
2389	sub load_archetypes {	3455	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3456	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3457	or die "unable to load archetypes\n";
2392	}	3458	}
2393		3459
2394	sub load_treasures {	3460	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3461	load_resource_file "$DATADIR/treasures"
		3462	or die "unable to load treasurelists\n";
2396	}	3463	}
2397		3464
2398	sub reload_resources {	3465	sub reload_resources {
2399	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2400		3467
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3468	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3469	reload_archetypes;
2406	or die "unable to load archetypes\n";	3470	reload_regions;
2407	load_treasures	3471	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3472
2410	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2411	}	3474	}
2412		3475
2413	sub init {	3476	sub reload_config {
2414	reload_resources;	3477	warn "reloading config file...\n";
2415	}
2416		3478
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3480	or return;
2420		3481
2421	local $/;	3482	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2423		3484
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3486
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2431	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2432	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2433	};	3494	};
2434	warn $@ if $@;	3495	warn $@ if $@;
2435	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2436	}	3527	}
2437		3528
2438	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2439	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3547	(async {
2443	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2445	};	3551	};
2446		3552
2447	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2448	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2449	load_extensions;	3571	load_extensions;
2450		3572
2451	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2453	}	3583	}
2454		3584
2455	#############################################################################	3585	#############################################################################
2456	# initialisation and cleanup	3586	# initialisation and cleanup
2457		3587
2458	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2459	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2468	},
2469	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2470	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2471	}	3684	}
2472		3685
2473	sub emergency_save() {	3686	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2475		3688
2476	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2477		3690
2478	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2479	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3705	$pl->save;
2487	}	3706	}
2488	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2489		3708
2490	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3712	$map->valid or next;
2494	$map->save;	3713	$map->save;
2495	}	3714	}
2496	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2497		3716
2498	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2501	};	3724	};
2502		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2503	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2504	}	3732	}
2505		3733
2506	sub post_cleanup {	3734	sub post_cleanup {
2507	my ($make_core) = @_;	3735	my ($make_core) = @_;
2508		3736
2509	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3738	if $make_core;
2511	}
2512		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
		3768	}
		3769
2513	sub reload() {	3770	sub do_reload_perl() {
2514	# can/must only be called in main	3771	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2517	return;	3774	return;
2518	}	3775	}
2519		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2520	warn "reloading...";	3782	warn "reloading...";
2521		3783
2522	warn "entering sync_job";	3784	warn "entering sync_job";
2523		3785
2524	cf::sync_job {	3786	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3788	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2528		3790
2529	warn "syncing database to disk";	3791	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3793
2532	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2533		3795
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3799	}
2570		3800
2571	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2573	}	3803	%EXT_CORO = ();
2574		3804
2575	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3814	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3815
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2586	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2587	}	3825	}
2588		3826
2589	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2590	}	3842	}
2591		3843
2592	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3847
2596	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
		3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3851
2599	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3853	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2602		3855
2603	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2604		3857
2605	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2606	require cf;	3859	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2608		3861
2609	warn "loading config and database again";	3862	warn "loading config and database again";
2610	cf::cfg_load;	3863	cf::reload_config;
2611		3864
2612	warn "loading extensions";	3865	warn "loading extensions";
2613	cf::load_extensions;	3866	cf::load_extensions;
2614		3867
		3868	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
2621		3876
2622	warn "loading reloadable resources";	3877	warn "running post_init jobs";
2623	reload_resources;	3878	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3879
2625	warn "leaving sync_job";	3880	warn "leaving sync_job";
2626		3881
2627	1	3882	1
2628	} or do {	3883	} or do {
2629	warn $@;	3884	warn $@;
2630	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3886	};
		3887
		3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
		3894	};
		3895
		3896	our $RELOAD_WATCHER; # used only during reload
		3897
		3898	sub reload_perl() {
		3899	# doing reload synchronously and two reloads happen back-to-back,
		3900	# coro crashes during coro_state_free->destroy here.
		3901
		3902	$RELOAD_WATCHER ||= cf::async {
		3903	Coro::AIO::aio_wait cache_extensions;
		3904
		3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3906	do_reload_perl;
		3907	undef $RELOAD_WATCHER;
		3908	};
2632	};	3909	};
2633		3910	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3911
2639	register_command "reload" => sub {	3912	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2641		3914
2642	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
2644		3917	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3918	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3919	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3920	};
2657	}	3921	}
2658	};	3922	};
2659		3923
2660	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2661		3925
…		…
2663		3927
2664	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
2666		3930
2667	sub wait_for_tick {	3931	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2670		3933
2671	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3936	$signal->wait;
2674	}	3937	}
2675		3938
2676	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2679		3941
2680	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3944	$signal->wait;
2683	}	3945	}
2684		3946
2685	$TICK_WATCHER = Event->timer (	3947	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2695	return;	3951	return;
2696	}	3952	}
2697		3953
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2701		3955
2702	$RUNTIME += $TICK;	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2703	$NEXT_TICK += $TICK;
2704		3957
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3960	Coro::async_pool {
		3961	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3962	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3963	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3964	};
		3965	}
2712		3966
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3968	$sig->send;
2724	}	3969	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3971	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3972	}
2731	);	3973
		3974	$LOAD = ($NOW - $TICK_START) / $TICK;
		3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3976
		3977	if (0) {
		3978	if ($NEXT_TICK) {
		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
		3983	}
		3984	}
2732		3985
2733	{	3986	{
2734	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3988
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
2744		3990	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3992
2760	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		4000
2763	cf::sync_job {	4001	cf::sync_job {
2764	eval {	4002	eval {
2765	BDB::db_env_open	4003	BDB::db_env_open
2766	$DB_ENV,	4004	$DB_ENV,
2767	$BDB_ENV_DIR,	4005	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4008	0666;
2771		4009
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4011	};
2777		4012
2778	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4014	};
2780	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
2781	}	4026	}
2782		4027
2783	{	4028	{
		4029	# configure IO::AIO
		4030
2784	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4034	}
		4035
		4036	my $_log_backtrace;
		4037
		4038	sub _log_backtrace {
		4039	my ($msg, @addr) = @_;
		4040
		4041	$msg =~ s/\n//;
		4042
		4043	# limit the # of concurrent backtraces
		4044	if ($_log_backtrace < 2) {
		4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
		4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
		4050	my @bt = fork_call {
		4051	@addr = map { sprintf "%x", $_ } @addr;
		4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4054	or die "addr2line: $!";
		4055
		4056	my @funcs;
		4057	my @res = <$fh>;
		4058	chomp for @res;
		4059	while (@res) {
		4060	my ($func, $line) = splice @res, 0, 2, ();
		4061	push @funcs, "[$func] $line";
		4062	}
		4063
		4064	@funcs
		4065	};
		4066
		4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4069	LOG llevInfo, "[ABT] $_\n" for @bt;
		4070	--$_log_backtrace;
		4071	};
		4072	} else {
		4073	LOG llevInfo, "[ABT] $msg\n";
		4074	LOG llevInfo, "[ABT] [suppressed]\n";
		4075	}
		4076	}
		4077
		4078	# load additional modules
		4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
2797		4081
2798	END { cf::emergency_save }	4082	END { cf::emergency_save }
2799		4083
2800	1	4084	1
2801		4085

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